Objectives : The discussion of enlargement of Korean Medical insurance has been existed since 1987. But it had less effects. For better discussion, we compared insured herbal extracts and clinical prescriptions. Methods : The database of insured herbal extracts and clinical prescriptions bas set up to compare the ratios of herbal weight and analyze indications of insured herbal extracts and diagnosis and chief complain of clinical prescriptions. Results & Conclusions : The most frequent insured herbal extract is Bojungiki-tang. Analysis about indications of insured herbal extracts and diagnosis and chief complain of clinical prescriptions is that Bojungiki-tang is used frequently for gastrointestinal diseases, pulmonary diseases, and not for diseases. Bojungikgi-tang is also used for muscloskeletal dieases, hemorrhage, and ischemia.